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<!--l. 3--><p class="indent" >     
 
<!-- tex4ht_begin tex_tex4ht_math math 1 --> 
   <span 
class="cmmi-7">x</span><sup><span 
class="cmmi-5">i</span></sup> __
<span 
class="cmr-7">tan</span> <span 
class="cmmi-7">y</span> 
<!-- tex4ht_end tex_tex4ht_math math 1 --> 
 
  
 
<!-- tex4ht_begin tex_tex4ht_math math 2 --> 
 <span 
class="cmmi-10">a</span>@<span 
class="cmmi-10">&#x00A0;b</span> 
<!-- tex4ht_end tex_tex4ht_math math 2 --> 
 
  
 
<!-- tex4ht_begin tex_tex4ht_math math 3 --> 
 @<span 
class="cmmi-10">code</span><span 
class="cmmi-10">mathcode</span><span 
class="cmmi-10">a &#x003C; b</span> 
<!-- tex4ht_end tex_tex4ht_math math 3 --> 
 
  
 
<!-- tex4ht_begin tex_tex4ht_math math 4 --> 
 <span class="underline">@<span 
class="cmmi-10">code</span><span 
class="cmmi-10">math</span> code </span><span 
class="cmex-10">&#x2211;</span>
  <sub><span 
class="cmmi-7">i</span></sub><span class="underline"><span 
class="cmmi-10">f</span></span> 
<!-- tex4ht_end tex_tex4ht_math math 4 --> 
 
  
 
<!-- tex4ht_begin tex_tex4ht_math math 5 --> 
 <span 
class="cmex-10">&#x2211;</span>
  <sub><span 
class="cmmi-7">i</span></sub><span 
class="cmmi-10">f</span>(<span 
class="cmmi-10">x</span>)@<span 
class="cmmi-10">sup</span>2 
<!-- tex4ht_end tex_tex4ht_math math 5 --> 
 


     
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